JIS C3662-7 AMD 1-2017 额定电压不超过450/750 V的聚氯乙烯绝缘电缆. 第7部分: 带有两个或多个导体的屏蔽和非屏蔽软电缆(修改件1)
Polyvinyl chloride insulated cables of rated voltages up to and including 450/750 V -- Part 7: Flexible cables screened and unscreened with two or more conductors (Amendment 1)